mirror of
https://github.com/josdejong/mathjs.git
synced 2026-01-18 14:59:29 +00:00
255 lines
10 KiB
JavaScript
255 lines
10 KiB
JavaScript
var object = require('./util/object');
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/**
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* math.js factory function.
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*
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* Usage:
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*
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* var math = mathjs();
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* var math = mathjs(settings);
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*
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* @param {Object} [settings] Available settings:
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* {String} matrix.defaultType
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* A string 'matrix' (default) or 'array'.
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* {String} number.defaultType
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* A string 'number' (default) or 'bignumber'
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*/
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function mathjs (settings) {
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// create new namespace
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var math = {};
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// create configuration settings. These are private
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var _settings = {
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matrix: {
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// type of default matrix output. Choose 'matrix' (default) or 'array'
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'defaultType': 'matrix'
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},
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number: {
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// type of default number output. Choose 'number' (default) or 'bignumber'
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'defaultType': 'number'
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}
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};
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/**
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* Set configuration settings for math.js, and get current settings
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* @param {Object} [settings] Available settings:
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* {String} matrix.defaultType
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* A string 'matrix' (default) or 'array'.
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* {String} number.defaultType
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* A string 'number' (default) or 'bignumber'
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* {Number} number.precision
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* The number of digits in BigNumber.
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* Not applicable for Numbers.
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* @return {Object} settings The currently applied settings
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*/
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math.config = function config (settings) {
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var BigNumber = require('bignumber.js');
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if (settings) {
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// merge settings
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object.deepExtend(_settings, settings);
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if (settings.number && settings.number.precision) {
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BigNumber.config({
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DECIMAL_PLACES: settings.number.precision
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});
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}
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// TODO: remove deprecated setting some day (deprecated since version 0.15.0)
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if (settings.matrix && settings.matrix.default) {
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throw new Error('setting matrix.default is deprecated. ' +
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'Use matrix.defaultType instead.')
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}
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}
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// return a clone of the settings
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var current = object.clone(_settings);
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current.number.precision = BigNumber.config().DECIMAL_PLACES;
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return current;
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};
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// apply provided configuration settings
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math.config(settings);
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// expression (Parser, Scope, nodes, docs)
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math.expression = {};
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math.expression.node = require('./expression/node/index.js');
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math.expression.Scope = require('./expression/Scope.js');
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math.expression.Parser = require('./expression/Parser.js');
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math.expression.docs = require('./expression/docs/index.js');
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// TODO: deprecated since version 0.13.0. cleanup deprecated stuff some day
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math.expr = {};
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math.expr.Scope = function () {
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throw new Error('Moved to math.expression.Scope');
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};
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math.expr.Parser = function () {
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throw new Error('Moved to math.expression.Parser');
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};
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// types (Matrix, Complex, Unit, ...)
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math.type = {};
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math.type.BigNumber = require('bignumber.js');
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math.type.Complex = require('./type/Complex.js');
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math.type.Range = require('./type/Range.js');
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math.type.Index = require('./type/Index.js');
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math.type.Matrix = require('./type/Matrix.js');
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math.type.Unit = require('./type/Unit.js');
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math.type.Help = require('./type/Help.js');
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math.collection = require('./type/collection.js');
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// expression parser
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require('./function/expression/eval.js')(math, _settings);
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require('./function/expression/help.js')(math, _settings);
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require('./function/expression/parse.js')(math, _settings);
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// functions - arithmetic
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require('./function/arithmetic/abs.js')(math, _settings);
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require('./function/arithmetic/add.js')(math, _settings);
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require('./function/arithmetic/add.js')(math, _settings);
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require('./function/arithmetic/ceil.js')(math, _settings);
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require('./function/arithmetic/cube.js')(math, _settings);
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require('./function/arithmetic/divide.js')(math, _settings);
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require('./function/arithmetic/edivide.js')(math, _settings);
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require('./function/arithmetic/emultiply.js')(math, _settings);
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require('./function/arithmetic/epow.js')(math, _settings);
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require('./function/arithmetic/equal.js')(math, _settings);
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require('./function/arithmetic/exp.js')(math, _settings);
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require('./function/arithmetic/fix.js')(math, _settings);
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require('./function/arithmetic/floor.js')(math, _settings);
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require('./function/arithmetic/gcd.js')(math, _settings);
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require('./function/arithmetic/larger.js')(math, _settings);
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require('./function/arithmetic/largereq.js')(math, _settings);
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require('./function/arithmetic/lcm.js')(math, _settings);
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require('./function/arithmetic/log.js')(math, _settings);
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require('./function/arithmetic/log10.js')(math, _settings);
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require('./function/arithmetic/mod.js')(math, _settings);
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require('./function/arithmetic/multiply.js')(math, _settings);
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require('./function/arithmetic/pow.js')(math, _settings);
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require('./function/arithmetic/round.js')(math, _settings);
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require('./function/arithmetic/sign.js')(math, _settings);
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require('./function/arithmetic/smaller.js')(math, _settings);
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require('./function/arithmetic/smallereq.js')(math, _settings);
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require('./function/arithmetic/sqrt.js')(math, _settings);
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require('./function/arithmetic/square.js')(math, _settings);
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require('./function/arithmetic/subtract.js')(math, _settings);
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require('./function/arithmetic/unary.js')(math, _settings);
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require('./function/arithmetic/unequal.js')(math, _settings);
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require('./function/arithmetic/xgcd.js')(math, _settings);
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// functions - complex
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require('./function/complex/arg.js')(math, _settings);
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require('./function/complex/conj.js')(math, _settings);
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require('./function/complex/re.js')(math, _settings);
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require('./function/complex/im.js')(math, _settings);
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// functions - construction
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require('./function/construction/bignumber')(math, _settings);
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require('./function/construction/boolean.js')(math, _settings);
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require('./function/construction/complex.js')(math, _settings);
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require('./function/construction/index.js')(math, _settings);
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require('./function/construction/matrix.js')(math, _settings);
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require('./function/construction/number.js')(math, _settings);
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require('./function/construction/parser.js')(math, _settings);
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require('./function/construction/string.js')(math, _settings);
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require('./function/construction/unit.js')(math, _settings);
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// functions - matrix
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require('./function/matrix/concat.js')(math, _settings);
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require('./function/matrix/det.js')(math, _settings);
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require('./function/matrix/diag.js')(math, _settings);
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require('./function/matrix/eye.js')(math, _settings);
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require('./function/matrix/inv.js')(math, _settings);
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require('./function/matrix/ones.js')(math, _settings);
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require('./function/matrix/range.js')(math, _settings);
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require('./function/matrix/resize.js')(math, _settings);
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require('./function/matrix/size.js')(math, _settings);
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require('./function/matrix/squeeze.js')(math, _settings);
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require('./function/matrix/subset.js')(math, _settings);
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require('./function/matrix/transpose.js')(math, _settings);
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require('./function/matrix/zeros.js')(math, _settings);
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// functions - probability
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require('./function/probability/factorial.js')(math, _settings);
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require('./function/probability/random.js')(math, _settings);
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// functions - statistics
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require('./function/statistics/min.js')(math, _settings);
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require('./function/statistics/max.js')(math, _settings);
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require('./function/statistics/mean.js')(math, _settings);
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// functions - trigonometry
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require('./function/trigonometry/acos.js')(math, _settings);
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require('./function/trigonometry/asin.js')(math, _settings);
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require('./function/trigonometry/atan.js')(math, _settings);
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require('./function/trigonometry/atan2.js')(math, _settings);
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require('./function/trigonometry/cos.js')(math, _settings);
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require('./function/trigonometry/cot.js')(math, _settings);
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require('./function/trigonometry/csc.js')(math, _settings);
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require('./function/trigonometry/sec.js')(math, _settings);
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require('./function/trigonometry/sin.js')(math, _settings);
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require('./function/trigonometry/tan.js')(math, _settings);
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// functions - units
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require('./function/units/in.js')(math, _settings);
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// functions - utils
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require('./function/utils/clone.js')(math, _settings);
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require('./function/utils/format.js')(math, _settings);
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require('./function/utils/import.js')(math, _settings);
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require('./function/utils/map.js')(math, _settings);
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require('./function/utils/print.js')(math, _settings);
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require('./function/utils/select.js')(math, _settings);
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require('./function/utils/typeof.js')(math, _settings);
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require('./function/utils/forEach.js')(math, _settings);
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// constants
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require('./constants.js')(math, _settings);
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// selector (we initialize after all functions are loaded)
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math.chaining = {};
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math.chaining.Selector = require('./chaining/Selector.js')(math, _settings);
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// TODO: deprecated since version 0.13.0. Cleanup some day
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math.expr.Selector = function () {
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throw new Error('Moved to math.expression.Selector');
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};
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// return the new instance
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return math;
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}
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// return the mathjs factory
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module.exports = mathjs;
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// error messages for deprecated static library (deprecated since v0.15.0) TODO: remove some day
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var placeholder = function () {
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throw new Error('Static function calls are deprecated. Create an instance of math.js:\n\t"var math = require(\'mathjs\')();" on node.js, \n\t"var math = mathjs();" in the browser.');
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};
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var instance = mathjs();
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for (var prop in instance) {
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if (instance.hasOwnProperty(prop)) {
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var fn = instance[prop];
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if (typeof fn === 'function') {
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mathjs[prop] = placeholder;
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}
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else {
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if (Object.defineProperty) {
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Object.defineProperty(mathjs, prop, {
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get: placeholder,
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set: placeholder,
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enumerable: true,
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configurable: false
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});
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}
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}
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}
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}
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if (typeof window !== 'undefined') {
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window.math = mathjs;
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} |